Sciweavers

AINA
2009
IEEE
13 years 2 months ago
A CDMA-Based MAC Protocol in Tree-Topology for Underwater Acoustic Sensor Networks
In this paper, a CDMA-based medium access control (MAC) scheme in underwater acoustic sensor networks is proposed, in which a periodic sleeping mode is jointly employed for the pu...
Jong-Pil Kim, Jae-Won Lee, Youn-Seon Jang, Kweon S...
MICAI
2004
Springer
13 years 10 months ago
Graduated Errors in Approximate Queries Using Hierarchies and Ordered Sets
Abstract. Often, qualitative values have an ordering, such as (veryshort, short, medium-height, tall) or a hierarchical level, such as (TheWorld, Europe, Spain, Madrid), which are ...
Adolfo Guzmán-Arenas, Serguei Levachkine